Boot upper



FIG. 1 is a left side elevational view of a boot upper according to a first representative environment according to the present invention.

FIG. 2 is a right side elevational view of the boot upper according to the first representative environment.

FIG. 3 is a front elevational view of the boot upper according to the first representative environment.

FIG. 4 is a rear elevational view of the boot upper according to the first representative environment.

FIG. 5 is a perspective view of the boot upper according to the first representative environment.

FIG. 6 is a left side elevational view of the boot upper according to a second representative environment.

FIG. 7 is a right side elevational view of the boot upper according to the second representative environment.

FIG. 8 is a front elevational view of the boot upper according to the second representative environment.

FIG. 9 is a rear elevational view of the boot upper according to the second representative environment; and,

FIG. 10 is a perspective view of the boot upper according to the second representative environment.

The dash-dot broken lines represent boundaries between areas that are and are not part of the claimed design. The dashed broken lines depict parts of the boot upper that form no part of the claimed design. The claimed design is for a boot upper as illustrated in the drawings, as well as the opposite matching boot upper, i.e., the mirror image of that shown. 

CLAIM The ornamental design for a boot upper, as shown and described. 